TW558691B - Reflection type liquid crystal display - Google Patents
Reflection type liquid crystal display Download PDFInfo
- Publication number
- TW558691B TW558691B TW090119365A TW90119365A TW558691B TW 558691 B TW558691 B TW 558691B TW 090119365 A TW090119365 A TW 090119365A TW 90119365 A TW90119365 A TW 90119365A TW 558691 B TW558691 B TW 558691B
- Authority
- TW
- Taiwan
- Prior art keywords
- liquid crystal
- crystal display
- item
- patent application
- scope
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133616—Front illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night
Abstract
Description
558691 五、發明說明（l) 發明領域 本發明係有關於一種具有外加光源的顯示器，特別是 有關於一種具有平面式燈（flat iamp)當作補助光源之反 射式液晶顯示器（reflective-type liquid crystal display ; LCD)，此平面式燈能夠自由調整開關，以在環 圭兄光線（ambient light)不足的情況下，提供光源於反射 式液晶顯示器’在環境光線足夠的情況下，關閉平面式燈 電源以達到節省能源的目的。558691 V. Description of the invention (l) Field of the invention The present invention relates to a display with an external light source, and in particular to a reflective-type liquid crystal display with a flat iamp as an auxiliary light source. display; LCD), this flat lamp can freely adjust the switch to provide a light source for a reflective liquid crystal display in the absence of ambient light. 'When the ambient light is sufficient, turn off the power of the flat lamp. In order to achieve the purpose of saving energy.
相關技術之描述 液晶顯示器被廣泛用於電子計算機（electrical calculator)、個人數位助理（pDA)、電子字典 (electrical dictionary)、電子書（eiectrical b〇〇k)_ I 攜帶式電子產品（portable electrical pfQduets)，目 前液晶顯示器在周圍環境光照度不足的情況下，需要光源 以利訊息顯示於液晶顯示面板。目前光源主要分為兩種：Description of related technologies Liquid crystal displays are widely used in electronic calculators, personal digital assistants (pDA), electronic dictionaries, electronic books (eiectrical b〇〇k) _ I portable electrical products (portable electrical pfQduets ), At present, in the case of insufficient ambient light illumination of a liquid crystal display, a light source is required to display information on the liquid crystal display panel. There are two main types of light sources:
(1)則光源式以及（2)背光源式。前光源式係利用特殊的導 光片（1 lght guide f i lm)，該導光片可使外圍環境光穿透 至液晶面板，亦可將位於導光片旁側的光源導引反射至液 ，面板、，由於導光片之效率不高，使得所產生的光源能量 損失，造成浪費，此將造成電池需要時常充電的困擾。 另一方面’背光源式係利用特殊設計之擴散片 (diffusing film)，作為可穿透背光及反射外圍環境光的 功用’由於穿透率及反射率皆無法最佳化，使得背光源的(1) the light source type and (2) the backlight type. The front light source type uses a special light guide (1 lght guide fi lm). This light guide can pass the ambient ambient light to the liquid crystal panel, and can also guide and reflect the light source located beside the light guide to the liquid. Panels, because the efficiency of the light guide sheet is not high, the energy of the generated light source is lost, causing waste, which will cause the battery to be constantly charged. On the other hand, the backlight type uses a specially designed diffusion film as a function that can penetrate the backlight and reflect the surrounding ambient light. As the transmittance and reflectance cannot be optimized, the backlight
558691558691
能量造成浪費。 發明之概述及目的 有，t此，本發明的目的在於提供一種反射式液晶顯 不器’ ^液晶顯示器具有平面式燈以當作補助光源，而上 述平：式燈能夠自由調整開M，以在環境光線不足的情況 下板仏光源，在環境光線足夠的情況下，關閉平面式燈 電源以達到節電的目的。Energy causes waste. The summary and purpose of the invention are as follows. The object of the present invention is to provide a reflective liquid crystal display. The liquid crystal display has a flat-type lamp as a supplementary light source, and the flat-type lamp can be freely adjusted to M, so When the ambient light is insufficient, the panel light source is turned off, and when the ambient light is sufficient, the power of the flat lamp is turned off to achieve the purpose of saving power.
根據上述目的，本發明提供一種反射式液晶顯示器， 包括·一外框架（outer frame); 一液晶顯示面板，鑲嵌 於該外框架之内；一平面式燈，藉由一連接元件設置於上 述外框架上’用來提供該液晶顯示面板光源。 再者’上述反射式液晶顯示器之中，平面式燈係由管 形燈管（lamp tube)與導光板或是點狀燈（spot_shaped ) 與導光板構成。According to the above object, the present invention provides a reflective liquid crystal display including: an outer frame; a liquid crystal display panel embedded in the outer frame; a flat-type lamp disposed outside the above through a connecting element 'On the frame' is used to provide the light source of the liquid crystal display panel. Furthermore, in the above-mentioned reflective liquid crystal display, the flat-type lamp is composed of a lamp tube and a light guide plate, or a spot-shaped lamp and a light guide plate.
再者’上述反射式液晶顯示器之中，平面式燈管最好 使用冷陰極平面螢光燈（c〇ld cathode flat fluorescent lamp ; CCFFL)，其具有燈體發光效率高、可提供廣範圍的 .照度’省電效率鬲，並且具有壽命長、在低溫下操作、以 及市面上谷易取得的優點。 並且’上述平面式燈，係以可活動的方式，例如樞接 方式連接於該外框架上。再者，上述外框架下方更包括一 收納空間（例如卡槽），在欲關閉平面式燈的電源時用來放 置該平面式燈。Furthermore, among the above-mentioned reflective liquid crystal displays, it is best to use a cold cathode flat fluorescent lamp (CCFFL) as the flat-type tube, which has a high luminous efficiency of the lamp body and can provide a wide range. Illuminance's power saving efficiency is high, and it has the advantages of long life, operation at low temperature, and easy access on the market. And 'the above-mentioned flat-type lamp is connected to the outer frame in a movable manner, such as a pivot connection. Furthermore, a storage space (such as a card slot) is further included below the outer frame, and is used to place the flat-type lamp when the power of the flat-type lamp is to be turned off.
558691 五、發明說明（3) ^了，供上述平面式燈的效率，最好在平面式燈的表 面加上一擴散片（diffusing fUm)及/或增光片 enhanced film) 〇 再者’上述反射液晶顯示器，例如為彩色液晶顯示 器0 圖式之簡單說明 第1圖為根據本發明之實施例具有平面式燈的反射式 液晶顯示器的概略立體圖（提供光源的平面式燈狀態）。558691 V. Description of the invention (3) ^ For the efficiency of the above-mentioned flat lamp, it is best to add a diffuser (diffusing fUm) and / or enhanced film on the surface of the flat lamp 〇 Furthermore, the above reflection A liquid crystal display is, for example, a color liquid crystal display. Brief Description of the Drawings Fig. 1 is a schematic perspective view of a reflective liquid crystal display having a flat lamp according to an embodiment of the present invention (a flat lamp state providing a light source).
第2圖為根據本發明之實施例具有平面式燈的反射式 液晶顯示器的概略立體圖（平面燈收納狀態）。 符號之說明 10〜液晶顯示面板。 2 0〜外框架。 3 0〜連接元件。 40〜平面式燈。 1 0 0〜反射式液晶顯示器。Fig. 2 is a schematic perspective view of a reflective liquid crystal display having a flat-type lamp according to an embodiment of the present invention (flat-lamp storage state). Explanation of symbols 10 to liquid crystal display panels. 2 0 ~ outer frame. 3 0 ~ connected components. 40 ~ flat type lights. 1 0 0 ~ reflective LCD.
實施例 以下利用第1圖以及第2圖所示之反射式液晶顯示器， 來說明本發明的實施例。 首先，請參照第1圖，此圖為根據本發明之實施例具 有平面式燈的反射式液晶顯示器的概略立體圖，符號1〇〇EXAMPLES Examples of the present invention will be described below using the reflective liquid crystal display shown in Figs. 1 and 2. First, please refer to FIG. 1, which is a schematic perspective view of a reflective liquid crystal display with a flat-type lamp according to an embodiment of the present invention, symbol 100.
558691 五、發明說明（4) 表示應用於例如PDA的反射式液晶顯示器，而符號2〇表示 外框架（frame) ’符號1〇表示鑲嵌於此外框架2〇之内的液 晶顯示面板，用來顯示訊息或圖像。 符號4 0表不市售的冷陰極平面螢光燈，此冷陰極平面 螢光燈具有均勻平面發光的優點，並且使用紅（R)、綠 (G )、藍（B)二波長的螢光體，特別適用於彩色液晶顯示面 板的照明。 符號30則是用來將冷陰極平面螢光燈4〇可活動地設置 於外框架ίο上的連接元件（connecting element)，例如為 樞接^件（pivotal element)。第1圖所顯示之反射式液晶 顯不器為利用冷陰極平面螢光燈4 〇供給光源的狀態。 、接著，请參照第2圖，此圖亦顯示本發明實施例之反 射式液晶顯示器，唯此時表示環境光源充^的狀態， 陰極平面螢光燈4 0的電源關閉，並且收納於設置在外框 2 0的收納空間（圖未顯示）。 、 ^ 上述貫施例的冷陰極平面螢光燈4 〇係市售品，當然， 也可以利用由管形燈管（lamp tube)與導光板或是點狀燈 (spot-shaped )與導光板構成。558691 V. Description of the invention (4) indicates a reflective liquid crystal display applied to, for example, a PDA, and the symbol 20 indicates an outer frame. The symbol 10 indicates a liquid crystal display panel embedded within the external frame 20, and is used to display. Message or image. The symbol 40 represents a commercially available cold-cathode flat fluorescent lamp. This cold-cathode flat fluorescent lamp has the advantage of uniform flat light emission, and uses red (R), green (G), and blue (B) two-wavelength fluorescent lights. It is especially suitable for the illumination of color liquid crystal display panels. Symbol 30 is a connecting element, such as a pivotal element, for movably setting the cold-cathode flat fluorescent lamp 40 on the outer frame ο. The reflective liquid crystal display shown in Fig. 1 is a state where a cold cathode flat fluorescent lamp 40 is used to supply a light source. Then, please refer to FIG. 2. This figure also shows a reflective liquid crystal display according to an embodiment of the present invention. At this time, it indicates the state of the ambient light source being charged. The power of the cathode flat fluorescent lamp 40 is turned off, and it is stored outside. Storage space in frame 20 (not shown). ^ The cold cathode planar fluorescent lamp 40 of the above-mentioned embodiment is a commercially available product. Of course, a lamp tube and a light guide plate or a spot-shaped lamp and a light guide plate can also be used. Make up.
^者，上述實施例的冷陰極平面#《燈4〇係可活動式 地連接於外框架上，然而亦可固定於外框架上。 攄-ΐΐ本為了增加冷陰極平面螢光燈40的性能，亦可根 據而求在表面增加擴散片及/或增光片。 發明特徵及功效In the above, the cold cathode plane # of the above embodiment can be movably connected to the outer frame, but it can also be fixed to the outer frame. In order to increase the performance of the cold-cathode flat fluorescent lamp 40, it is also possible to add a diffusion sheet and / or a light-increasing sheet to the surface according to -ΐΐ. Features and effects of the invention
558691 五、發明說明（5) 士發明的特徵在於，在反射式液晶顯示器使用平面式 俨侪：1補助光源’此平面式燈能夠自由調整開關，以在 5二、'關：5的情況下’提供光源，在環境光線足夠的情 = :面式燈電源，以達到節省能源的目的，進而 夕虽11 i i子產品的充電次數，而增加使用便利性。 限定本發明，任何熟“/然其並非用以 神和範圍内，當可作==:者田在不脫離本發明之精 田視後附之申請專利範圍所界定者為準。 執圍558691 V. Description of the invention (5) The invention of the invention is characterized by the use of a flat type in the reflective liquid crystal display: 1 Auxiliary light source 'This flat-type lamp can freely adjust the switch in the case of 52,' Off: 5 'Provide a light source with sufficient ambient light =: surface light power supply to achieve the purpose of saving energy, and even though the number of times the sub-products are recharged, the convenience of use is increased. To limit the invention, any familiarity "/ but it is not used within the scope of God and God, when ==: Zhe Tian does not depart from the essence of the invention as defined by the scope of the patent application attached shall prevail.
Claims (1)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW090119365A TW558691B (en) | 2001-08-08 | 2001-08-08 | Reflection type liquid crystal display |
| US09/986,185 US20030030762A1 (en) | 2001-08-08 | 2001-11-07 | Reflective- Type liquid crystal display |
| JP2001380341A JP2003057654A (en) | 2001-08-08 | 2001-12-13 | Reflection type liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW090119365A TW558691B (en) | 2001-08-08 | 2001-08-08 | Reflection type liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW558691B true TW558691B (en) | 2003-10-21 |
Family
ID=21678997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW090119365A TW558691B (en) | 2001-08-08 | 2001-08-08 | Reflection type liquid crystal display |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20030030762A1 (en) |
| JP (1) | JP2003057654A (en) |
| TW (1) | TW558691B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI257016B (en) * | 2003-03-11 | 2006-06-21 | Hannstar Display Corp | Direct type backlight unit having liftable frame structure |
| JP2004302312A (en) * | 2003-03-31 | 2004-10-28 | Fujitsu Display Technologies Corp | Illumination device and liquid crystal display |
| US6942371B2 (en) * | 2003-04-14 | 2005-09-13 | Aiptek International Inc. | Backlight module of the liquid crystal display with electromagnetic module |
| CN112859443A (en) * | 2021-02-08 | 2021-05-28 | 捷开通讯(深圳)有限公司 | Display device |
-
2001
- 2001-08-08 TW TW090119365A patent/TW558691B/en active
- 2001-11-07 US US09/986,185 patent/US20030030762A1/en not_active Abandoned
- 2001-12-13 JP JP2001380341A patent/JP2003057654A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003057654A (en) | 2003-02-26 |
| US20030030762A1 (en) | 2003-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW589487B (en) | Liquid crystal display device | |
| KR20080012703A (en) | Hybrid diffusion plate, back-light assembly having the hybrid diffusion plate, and liquid crystal display having the back-light assembly | |
| TW200304530A (en) | Panel light source device and its fabrication process | |
| US7246934B2 (en) | Backlight unit | |
| TW200408875A (en) | Display apparatus and light guide unit thereof | |
| TWI336008B (en) | Liquid crystal display and method of adjusting internal temperature thereof | |
| TW558691B (en) | Reflection type liquid crystal display | |
| US7604494B2 (en) | Lamp socket, light supply assembly having the same and display device having the same | |
| US20070263136A1 (en) | Backlight unit and liquid crystal display device having the same | |
| JP2000056138A (en) | Light transmission plate and surface light emission body | |
| TWI232986B (en) | Backlight source | |
| JP3127236U (en) | Edge type backlight module | |
| TW200528869A (en) | Back light source apparatus | |
| TWI264599B (en) | Ultraviolet curing apparatus for assembling substrates | |
| TW583471B (en) | Dual-face type backlight module and liquid crystal display apparatus | |
| TW200831997A (en) | Dual panel liquid crystal display and notebook | |
| TW200912468A (en) | Backlight module and application thereof | |
| TWI224232B (en) | Direct light source and application thereof | |
| TWI339297B (en) | ||
| TWI254170B (en) | Backlight module | |
| TWI336416B (en) | ||
| KR20030087282A (en) | Liquid crystal display apparatus | |
| US20100225573A1 (en) | Backlight device and display device | |
| KR20060021141A (en) | Back-light assembly and display having the same | |
| KR20060044015A (en) | Back light assembly and liquid crystal display device having the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GD4A | Issue of patent certificate for granted invention patent |